public static void SetHintTechnique(this GlyphPathBuilderBase builder, HintTechnique hintTech)
        {
            builder.UseTrueTypeInstructions = false; //reset
            builder.UseVerticalHinting      = false; //reset
            switch (hintTech)
            {
            case HintTechnique.TrueTypeInstruction:
                builder.UseTrueTypeInstructions = true;
                break;

            case HintTechnique.TrueTypeInstruction_VerticalOnly:
                builder.UseTrueTypeInstructions = true;
                builder.UseVerticalHinting      = true;
                break;

            case HintTechnique.CustomAutoFit:
                //custom agg autofit
                builder.UseVerticalHinting = true;
                break;
            }
        }
 public static void Build(this GlyphPathBuilderBase builder, char c, float sizeInPoints)
 {
     builder.BuildFromGlyphIndex((ushort)builder.Typeface.LookupIndex(c), sizeInPoints);
 }